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AN3011 데이터시트(PDF) 21 Page - STMicroelectronics |
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AN3011 데이터시트(HTML) 21 Page - STMicroelectronics |
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21 / 37 page ![]() AN3011 Efficiency Doc ID 16043 Rev 1 21/37 ● POUT = 200 mW Figure 20. Converter input power vs Vin_ac in light-load condition Table 18. Low-load performance. POUT = 200 mW (brown-out disabled) VIN_AC POUT (mW) PIN (mW) Eff. (%) PIN-POUT (mW) fSW_AVG (kHz) 90 208.403 286 72.87 77.597 21.3115 115 208.403 293 71.13 84.597 19.2462 132 208.403 294 70.89 85.597 18.1681 175 208.403 296 70.41 87.597 16.0584 230 208.403 313 66.58 104.597 16.4671 265 208.403 328 63.54 119.597 14.7167 Low-load performance. POUT = 200 mW (brown-out enabled) VIN_AC POUT (mW) PIN (mW) Eff. (%) PIN-POUT (mW) 90 208.403 289 72.11 80.60 115 208.403 296 70.41 87.60 132 208.403 299 69.70 90.60 175 208.403 313 66.58 104.60 230 208.403 336 62.02 127.60 265 208.403 349 59.71 140.60 |
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